a form of cryptic Japanese writing that substitutes similar-looking characters for the characters intended, used especially in text messages / the characters or symbols used for such substitutions

skywriting

(archaic, women's speech) you

(programming) character data type

(computing) character encoding

any of various writing systems claimed to predate Japan's adoption of Chinese characters and perpetuated by feudal scholars, but widely discredited by modern scholars

(possibly dialect, Tōhoku) any of various writing systems claimed to predate Japan's adoption of Chinese characters and perpetuated by feudal scholars, but widely discredited by modern scholars

rune

(computing) a string (sequence of characters)

the Siddham script